Base | Representation |
---|---|
bin | 111001101011… |
… | …0010100000100 |
3 | 2002220020200022 |
4 | 1303112110010 |
5 | 30220103311 |
6 | 3000034312 |
7 | 515006210 |
oct | 163262404 |
9 | 62806608 |
10 | 30237956 |
11 | 16083251 |
12 | a162998 |
13 | 63593a8 |
14 | 4031940 |
15 | 29c45db |
hex | 1cd6504 |
30237956 has 12 divisors (see below), whose sum is σ = 60475968. Its totient is φ = 12959112.
The previous prime is 30237947. The next prime is 30238001. The reversal of 30237956 is 65973203.
30237956 is an admirable number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539936 + ... + 539991.
It is an arithmetic number, because the mean of its divisors is an integer number (5039664).
Almost surely, 230237956 is an apocalyptic number.
It is an amenable number.
30237956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30237956 is a wasteful number, since it uses less digits than its factorization.
30237956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1079938 (or 1079936 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 35.
The square root of 30237956 is about 5498.9049819032. The cubic root of 30237956 is about 311.5426264701.
The spelling of 30237956 in words is "thirty million, two hundred thirty-seven thousand, nine hundred fifty-six".
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